Cheapest return flights from Washington to London in June from $675

Best time to book flights for Washington (IAD) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to London (LHR) in June 2025 (see full year).

Return flights

03 Jun - 09 Jun Scandinavian Airlines
06 Jun - 12 Jun Porter Airlines (Canada) Ltd
02 Jun - 10 Jun Scandinavian Airlines
09 Jun - 16 Jun Scandinavian Airlines
03 Jun - 10 Jun Scandinavian Airlines
02 Jun - 09 Jun Scandinavian Airlines
13 Jun - 18 Jun Porter Airlines (Canada) Ltd
02 Jun - 11 Jun Scandinavian Airlines
06 Jun - 16 Jun Air Canada
10 Jun - 18 Jun Air Canada
04 Jun - 09 Jul Scandinavian Airlines
02 Jun - 01 Jul Scandinavian Airlines
10 Jun - 01 Jul Scandinavian Airlines
29 Jun - 10 Jul Scandinavian Airlines
30 Jun - 07 Jul Scandinavian Airlines
29 Jun - 08 Jul Scandinavian Airlines
30 Jun - 18 Jul Aer Lingus
24 Jun - 07 Jul Air Canada
25 Jun - 02 Jul Scandinavian Airlines
23 Jun - 10 Jul Scandinavian Airlines

Also check the deals for one-way flights from Washington to London in June.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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